Irreducible character degrees of a group of order two p
= Irreducible character degrees of a group of order two p
{title2=$|G|=2p$}
For a prime $p$, either a group of order $2p$ is abelian and all irreducible character degrees are one, or $p$ is odd and its degrees are
$$
1,1,\underbrace{2,\ldots,2}_{(p-1)/2}.
$$